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chink up (something)
To fill in or patch narrow openings, such as cracks or fissures (chinks), of something. We live in an area that experiences a lot of earthquakes each year, so we've gotten pretty good at chinking up the walls of our house.
chink in (one's) armor
A minor but very detrimental flaw or weakness. Yeah, he's brilliant, but his violent temper has destroyed many business relationships—it's really the chink in his armor.
chink in one's armor
Fig. a special weakness that provides a means for attacking or impressing someone otherwise invulnerable. (Alludes to an opening in a suit of armor that allows a weapon to penetrate.) Jane's insecurity is the chink in her armor. The boss seems mean, but the chink in his armor is that he is easily flattered.
chink in one's armor
A vulnerable area, as in Putting things off to the last minute is the chink in Pat's armor and is bound to get her in trouble one day . This term relies on chink in the sense of "a crack or gap," a meaning dating from about 1400 and used figuratively since the mid-1600s.
a chink in someone's armour
If someone or something has a chink in their armour, they have a weakness that people can take advantage of, although they seem very strong and successful. Note: `Armour' is spelled `armor' in American English. With their superior knowledge, they might find the chinks in his armour. Labour leaders hope to use their annual conference to attack what they currently see as the most vulnerable chink in the government's armour. Note: A chink is a small hole or opening.
a chink in someone's armoura weak point in someone's character, arguments, or ideas which makes them vulnerable to attack or criticism.
a chink in somebody’s ˈarmour(British English) (American English a chink in somebody’s ˈarmor) a weakness in somebody’s argument, character, etc., that can be used in an attack: The one chink in her armour is the lack of a sense of humour. She hates people laughing at her.
A chink is a small hole.